Home / 107,883.40-161,738.70-45,502.60

Finding the Fourth Proportional to 107,883.40, 161,738.70 and 45,502.60

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Solution

The fourth proportional to 107,883.40, 161,738.70 and 45,502.60 is: 68,217.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,883.40 : 161,738.70 = 45,502.60 : x
  2. Step 2: Convert to fraction form
    107,883.40/161,738.70 = 45,502.60/x
  3. Step 3: Cross multiply
    107,883.40x = 161,738.70 × 45,502.60
  4. Step 4: Simplify right side
    107,883.40x = 7,359,531,370.62
  5. Step 5: Solve for x
    x = 7,359,531,370.62/107,883.40
  6. Step 6: Final answer
    x = 68,217.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.